12435279622979 has 2 divisors, whose sum is σ = 12435279622980. Its totient is φ = 12435279622978.

The previous prime is 12435279622973. The next prime is 12435279623021. The reversal of 12435279622979 is 97922697253421.

12435279622979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12435279622979 is a prime.

It is a super-3 number, since 3×12435279622979³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12435279622973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217639811489 + 6217639811490.

It is an arithmetic number, because the mean of its divisors is an integer number (6217639811490).

Almost surely, 2^{12435279622979} is an apocalyptic number.

12435279622979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12435279622979 is an equidigital number, since it uses as much as digits as its factorization.

12435279622979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 68.

The spelling of 12435279622979 in words is "twelve trillion, four hundred thirty-five billion, two hundred seventy-nine million, six hundred twenty-two thousand, nine hundred seventy-nine".